@keyframes spin {
                            0% { transform: rotate(0deg); }
                            100% { transform: rotate(360deg); }
                        }

@keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

*, *::before, *::after {
            box-sizing: border-box;
        }

        /* ===== 公告栏 - 工业风 ===== */
.announcement-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fef3c7;
    backdrop-filter: none;
    color: #b45309;
    padding: 10px 20px;
    margin-bottom: 0;
    border-radius: 0;
    box-shadow: none;
    animation: slideDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    border-bottom: 2px solid #B45309;
    font-size: 13px;
    font-weight: 700;
    position: relative;
    overflow: hidden;
}

.announcement-bar::before {
    display: none;
}

.announcement-bar .close-btn {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: #b45309;
    font-size: 14px;
    padding: 4px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmerAnnounce {
    0% { left: -100%; }
    100% { left: 100%; }
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.announcement-content > div {
    margin: 0;
    flex-grow: 1;
    font-size: clamp(14px, 2vw, 15px);
    line-height: 1.7;
    color: #b45309;
}

.announcement-content p {
    margin: 0 0 0.5em 0;
}

.announcement-content p:last-child {
    margin-bottom: 0;
}

.announcement-content i.fa-info-circle {
    font-size: 22px;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: #b45309;
    flex-shrink: 0;
    animation: none;
}

.close-btn {
    background: none;
    border: none;
    color: #b45309;
    cursor: pointer;
    font-size: 18px;
    padding: 6px 10px;
    border-radius: 0;
    transition: all 0.15s ease;
}

.close-btn:hover {
    color: var(--text-primary);
    background: rgba(96, 165, 250, 0.1);
    transform: rotate(90deg);
}




        /* ===== 情绪化配色系统 - 浅蓝色主题 ===== */
        :root {
            --primary: #D97706;
            --primary-light: #F59E0B;
            --primary-dark: #B45309;
            --accent: #D97706;
            --accent-warm: #92400E;
            
            --bg-base: #F5F0E8;
            --bg-secondary: #FFFBF5;
            --bg-elevated: #FFF8EE;
            --bg-glass: rgba(255, 251, 245, 0.95);
            
            --text-primary: #1C1917;
            --text-secondary: #57534E;
            --text-muted: #A8A29E;
            --text-inverse: #ffffff;
            
            --success: #059669;
            --warning: #D97706;
            --danger: #DC2626;
            --info: #2563EB;
            
            --glow-blue: rgba(217, 119, 6, 0.15);
            --glow-cyan: rgba(217, 119, 6, 0.1);
            --shadow-soft: 8px 8px 0 rgba(217, 119, 6, 0.12);
            --shadow-lifted: 12px 12px 0 rgba(180, 83, 9, 0.18);
            --shadow-ambient: 0 0 0 2.5px #B45309;
            
            --radius-sm: 0;
            --radius-md: 0;
            --radius-lg: 0;
            --radius-full: 0;
            
            --gray: #E7E0D6;
            --dark: #1C1917;
            --light-gray: #FFF8EE;
            --border-color: #B45309;
            --shadow: var(--shadow-ambient);
            --shadow-hover: var(--shadow-soft);
            --gradient-primary: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
            --gradient-bg: linear-gradient(135deg, #1C1917 0%, #292524 50%, #1C1917 100%);
            --card-shadow: var(--shadow-ambient);
            --card-shadow-hover: var(--shadow-soft);
            --card-radius: 0;
        }
        
        /* ===== 工业风背景系统 ===== */
        body {
            font-family: var(--font-primary);
            line-height: 1.8;
            color: var(--text-primary);
            background: var(--bg-base);
            min-height: 100vh;
            margin: 0;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
            letter-spacing: -0.01em;
        }
        
        /* 工业风：去掉渐变光晕，使用纯色背景 */
        body::before {
            display: none;
        }
        
        body::after {
            display: none;
        }
        
        /* 打印机出场动画 */
        @keyframes industrialPaperReveal {
            from { clip-path: inset(0 0 100% 0); }
            to { clip-path: inset(0 0 0 0); }
        }
        
        @keyframes industrialLedBlink {
            0%, 90% { opacity: 1; }
            95% { opacity: 0.3; }
            100% { opacity: 1; }
        }
        
        /* ===== 工业风顶栏 ===== */
        .top-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: var(--bg-glass);
            border-bottom: 2.5px solid var(--border-color);
            box-shadow: none;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 clamp(20px, 5vw, 60px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .top-navbar::before {
            display: none;
        }
        
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 22px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            transition: all 0.15s ease;
        }
        
        .navbar-brand:hover {
            transform: none;
        }
        
        .navbar-brand i {
            font-size: 32px;
            background: none;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: unset;
            background-clip: unset;
            color: var(--text-primary);
            animation: iconPulse 3s ease-in-out infinite;
        }
        
        @keyframes iconPulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.8; transform: scale(1.05); }
        }
        
        /* ===== 左右双栏布局（1200px max-width）===== */
        /* ===== 工业风打印机框架 ===== */
        .industrial-wrapper {
            max-width: 960px;
            margin: 20px auto;
        }

        .industrial-printer-slot {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 20px;
            background: #292524;
            border: 2.5px solid #B45309;
            border-bottom: none;
            border-radius: 8px 8px 0 0;
        }

        .industrial-printer-led {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 6px #22c55e;
            animation: industrialLedBlink 2s infinite;
        }

        @keyframes industrialLedBlink {
            0%, 90% { opacity: 1; }
            95% { opacity: 0.3; }
            100% { opacity: 1; }
        }

        .industrial-printer-slot-inner {
            flex: 1;
            height: 4px;
            background: #333;
            border-radius: 2px;
        }

        .industrial-printer-slot-label {
            font-family: 'JetBrains Mono', 'Courier New', monospace;
            font-size: 10px;
            color: #57534E;
            letter-spacing: 0.1em;
        }

        .industrial-paper-area {
            position: relative;
        }

        .industrial-main-frame {
            background: var(--bg-secondary);
            border: 2.5px solid #B45309;
            box-shadow: 12px 12px 0 rgba(180,83,9,0.15);
            animation: paper-reveal 0.8s ease-out forwards;
        }

        @keyframes paper-reveal {
            from { clip-path: inset(0 0 100% 0); }
            to { clip-path: inset(0 0 0 0); }
        }

        .industrial-status-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: #292524;
            border: 2.5px solid #B45309;
            border-top: none;
            border-radius: 0 0 8px 8px;
        }

        .industrial-status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 4px #22c55e;
        }

        .industrial-status-text {
            font-family: 'JetBrains Mono', 'Courier New', monospace;
            font-size: 10px;
            color: #57534E;
            letter-spacing: 0.05em;
        }

        /* ===== 工业风标题栏 ===== */
        .ind-title-zone {
            display: grid;
            grid-template-columns: auto 1fr auto;
            border-bottom: 2.5px solid #B45309;
            background: #FFFBF5;
        }

        .ind-title-logo {
            padding: 20px 24px;
            border-right: 2px solid #B45309;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ind-title-logo i {
            font-size: 24px;
            color: #B45309;
        }

        .ind-title-logo-text {
            font-size: 10px;
            font-weight: 900;
            color: #999;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            line-height: 1.4;
        }

        .ind-title-center {
            display: flex;
            align-items: center;
            padding: 0 24px;
        }

        .ind-title-right {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-left: 2px solid #B45309;
        }

        .ind-status-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 11px;
            font-weight: 700;
            color: #059669;
        }

        .ind-status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #059669;
            box-shadow: 0 0 4px #059669;
        }

        .ind-login-btn {
            padding: 8px 16px;
            background: #B45309;
            color: #fff;
            border: 2px solid #B45309;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            font-family: inherit;
            transition: all 0.15s;
            letter-spacing: 0.03em;
        }

        .ind-login-btn:hover {
            background: #92400E;
        }

        .ind-user-info {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            position: relative;
            padding: 6px 12px;
            border: 2px solid #B45309;
            background: #292524;
            color: #fff;
            transition: all 0.15s;
        }

        .ind-user-info:hover {
            background: #44403C;
        }

        .ind-user-info:hover .ind-user-dropdown {
            display: block;
        }

        .ind-user-avatar {
            width: 28px;
            height: 28px;
            background: #44403C;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 900;
            color: #F59E0B;
            border: 1px solid #78716C;
            overflow: hidden;
        }

        .ind-user-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ind-user-name {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
            max-width: 100px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .ind-user-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            min-width: 160px;
            background: #292524;
            border: 2px solid #B45309;
            border-top: none;
            z-index: 1001;
        }

        .ind-dropdown-item {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            padding: 10px 14px;
            background: none;
            border: none;
            color: #ccc;
            font-size: 12px;
            cursor: pointer;
            text-align: left;
            transition: all 0.15s;
        }

        .ind-dropdown-item:hover {
            background: #44403C;
            color: #F59E0B;
        }

        .ind-dropdown-item + .ind-dropdown-item {
            border-top: 1px solid #44403C;
        }

        .ind-footer-text {
            margin-top: 24px;
            text-align: center;
            font-size: 10px;
            color: #999;
            letter-spacing: 0.05em;
        }

        @media (max-width: 768px) {
            .ind-title-zone {
                grid-template-columns: 1fr auto;
            }
            .ind-title-logo {
                display: none;
            }
            .ind-title-center {
                padding: 14px 16px;
            }
            .ind-title-center h1 {
                font-size: 17px;
                letter-spacing: -0.01em;
            }
            .ind-title-right {
                padding: 10px 12px;
                gap: 8px;
                border-left: 2px solid #B45309;
            }
            .ind-status-indicator {
                font-size: 10px;
            }
            .ind-login-btn {
                padding: 6px 12px;
                font-size: 11px;
            }
            .ind-user-info {
                padding: 4px 8px;
            }
            .ind-user-name {
                max-width: 60px;
                font-size: 11px;
            }
        }

        .container {
            max-width: 100%;
            margin: 0;
            padding: 0;
            position: relative;
            background: transparent;
        }
        
        .card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            margin-top: 0;
            align-items: start;
            background: var(--bg-secondary);
            border: none;
            min-height: 500px;
        }
        
        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
                min-height: auto;
            }
        }
        
        .left-column {
            display: flex;
            flex-direction: column;
            gap: clamp(20px, 3vh, 32px);
            border-right: 2px solid #B45309;
            padding: 32px 28px;
            justify-content: center;
        }

        .upload-zone-label {
            font-size: 10px;
            font-weight: 900;
            color: #999;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .right-column {
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding: 28px;
            position: sticky;
            top: 100px;
        }
        
        /* 移动端取消粘性定位 */
        @media (max-width: 768px) {
            .right-column {
                position: static;
            }
            
            .left-column,
            .right-column {
                width: 100%;
            }
            
            /* 移动端上传区域在上，说明在下 */
            .left-column {
                order: 1;
            }
            
            .right-column {
                order: 2;
            }
        }
        
        /* 玻璃态卡片 - 悬浮感 */
        .card {
            background: var(--bg-glass);
            border-radius: 0;
            padding: clamp(24px, 4vw, 40px);
            box-shadow: 8px 8px 0 rgba(0,0,0,0.1);
            border: 2.5px solid var(--border-color);
            transition: all 0.15s ease;
            position: relative;
            overflow: hidden;
        }
        
        .card::before {
            display: none;
        }
        
        .card:hover {
            box-shadow: 4px 4px 0 rgba(180,83,9,0.1);
            transform: translate(-1px, -1px);
            border-color: #B45309;
        }
        
        .card:hover::before {
            display: none;
        }
        
        .card-header {
            font-size: clamp(18px, 2.5vw, 22px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            letter-spacing: -0.02em;
        }
        
        .card-header i {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* ===== 呼吸式大标题 ===== */
        h1 {
            text-align: left;
            margin: 0;
            font-weight: 900;
            font-size: 22px;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #B45309;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: unset;
            background-clip: unset;
            animation: none;
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 6px;
            position: relative;
            text-transform: none;
        }
        
        h1 span.version-tag {
            display: inline-block;
            background: #B45309;
            color: #fff;
            padding: 2px 8px;
            font-size: 11px;
            vertical-align: middle;
            letter-spacing: 0.05em;
        }
        
        h1::after {
            display: none;
        }
        
        @keyframes titleBreath {
            0%, 100% { 
                opacity: 1;
                filter: blur(0px);
            }
            50% { 
                opacity: 0.9;
                filter: blur(0.5px);
            }
        }
        
        h1 i {
            font-size: clamp(2.5rem, 6vw, 4rem);
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: iconFloat 3s ease-in-out infinite;
        }

        .home-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
            gap: 10px;
            margin-bottom: 14px;
            min-height: 86px;
            align-items: stretch;
        }

        .homepage-bind-entry,
        .single-entry-home-entry,
        .homepage-collection-entry {
            display: none;
            min-height: 86px;
            box-sizing: border-box;
        }

        .homepage-bind-entry {
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding: 12px 14px;
            background: #fff7ed;
            border: 2px solid #f59e0b;
            color: #111827;
        }

        .homepage-bind-entry-main {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex: 1 1 190px;
        }

        .homepage-bind-entry-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            background: #111827;
            color: #fbbf24;
        }

        .homepage-bind-entry-title {
            font-weight: 900;
            font-size: 15px;
            margin-bottom: 2px;
        }

        .homepage-bind-entry-desc {
            color: #6b7280;
            font-size: 12px;
            line-height: 1.35;
        }

        .homepage-bind-entry-action {
            border: none;
            background: #111827;
            color: #fff;
            min-height: 34px;
            padding: 0 12px;
            font-size: 13px;
            font-weight: 800;
            cursor: pointer;
            white-space: nowrap;
        }

        .homepage-bind-entry-action:hover {
            background: #92400e;
        }

        .single-entry-home-entry {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding: 12px 14px;
            background: #292524;
            border: 2.5px solid #B45309;
            color: #FFFBF5;
            box-shadow: 6px 6px 0 rgba(180,83,9,0.16);
        }

        .single-entry-home-main {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex: 1 1 190px;
        }

        .single-entry-home-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            background: #FFFBF5;
            color: #B45309;
            border: 2px solid #F59E0B;
            font-size: 16px;
        }

        .single-entry-home-title {
            font-size: 15px;
            font-weight: 900;
            margin-bottom: 2px;
            letter-spacing: 0.04em;
        }

        .single-entry-home-desc {
            color: #D6D3D1;
            font-size: 12px;
            line-height: 1.35;
        }

        .single-entry-home-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            min-height: 34px;
            padding: 0 12px;
            background: #B45309;
            color: #fff;
            border: 2px solid #F59E0B;
            text-decoration: none;
            font-size: 13px;
            font-weight: 900;
            white-space: nowrap;
        }

        .single-entry-home-action:hover {
            background: #92400E;
            color: #fff;
        }

        .homepage-collection-entry {
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding: 12px 14px;
            background: #f0fdf4;
            border: 2px solid #16a34a;
            color: #111827;
        }

        .homepage-collection-main {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex: 1 1 190px;
        }

        .homepage-collection-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            background: #14532d;
            color: #bbf7d0;
        }

        .homepage-collection-title {
            font-weight: 900;
            font-size: 15px;
            margin-bottom: 2px;
        }

        .homepage-collection-desc {
            color: #4b5563;
            font-size: 12px;
            line-height: 1.35;
        }

        .homepage-collection-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            min-height: 34px;
            padding: 0 12px;
            background: #166534;
            color: #fff;
            text-decoration: none;
            font-size: 13px;
            font-weight: 900;
            white-space: nowrap;
        }

        .homepage-collection-action:hover {
            background: #14532d;
            color: #fff;
        }
        
        /* 移动端优化 */
        @media (max-width: 768px) {
            .home-feature-grid {
                grid-template-columns: 1fr;
                min-height: 182px;
            }

            .homepage-bind-entry {
                align-items: stretch;
                padding: 12px;
            }

            .homepage-bind-entry-main {
                flex-basis: 100%;
            }

            .homepage-bind-entry-action {
                width: 100%;
                min-height: 38px;
            }

            .single-entry-home-entry {
                align-items: stretch;
                padding: 12px;
            }

            .single-entry-home-main {
                flex-basis: 100%;
            }

            .single-entry-home-action {
                width: 100%;
                min-height: 38px;
            }

            .homepage-collection-entry {
                align-items: stretch;
                padding: 12px;
            }

            .homepage-collection-main {
                flex-basis: 100%;
            }

            .homepage-collection-action {
                width: 100%;
                min-height: 38px;
            }

            .validation-records-btn {
                width: 100% !important;
                margin-left: 0 !important;
                margin-top: 10px !important;
                font-size: 14px !important;
                padding: 12px 16px !important;
            }

            .validation-records-btn i {
                margin-right: 8px;
            }
            
            #file {
                cursor: pointer;
                -webkit-appearance: none;
                -moz-appearance: none;
                appearance: none;
            }
            
            #upload-form-section > div:last-child {
                margin-top: 20px !important;
            }
            
            #upload-form-section .btn {
                padding: 12px 16px !important;
                font-size: 14px !important;
            }
            
            #user-status-bar > div {
                flex-direction: column !important;
                align-items: flex-start !important;
                gap: 15px !important;
            }
            
            #user-status-bar > div > div:last-child {
                flex-direction: column !important;
                width: 100%;
                gap: 10px !important;
            }
            
            #user-status-bar button {
                width: 100% !important;
                padding: 12px 16px !important;
                font-size: 15px !important;
            }
            
            #user-status-bar > div > div:last-child > div {
                width: 100%;
                text-align: center;
                padding: 10px 12px !important;
                font-size: 14px !important;
            }
        }

        /* ===== 主上传区 - 磁吸感设计 ===== */
        .upload-section {
            background: var(--bg-secondary);
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
            border-radius: 0;
            padding: clamp(32px, 5vw, 48px);
            margin-bottom: clamp(24px, 4vh, 40px);
            box-shadow: none;
            border: none;
            transition: all 0.15s ease;
            position: relative;
            overflow: hidden;
        }
        
        .upload-section::before {
            display: none;
        }
        
        .upload-section::after {
            display: none;
        }
        
        .upload-section:hover {
            box-shadow: none;
            transform: none;
            border-color: var(--border-color);
        }
        
        .form-group {
            text-align: center;
            margin-bottom: 25px;
        }
        
        .upload-section {
            text-align: left;
        }
        
        .instructions {
            text-align: left;
        }
        
        label[for="file"] {
            display: block;
            font-size: 18px;
            margin-bottom: 15px;
            color: #555;
        }
        
        #file {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            opacity: 0;
            cursor: pointer;
            z-index: 2;
        }
        
        /* 拖拽区 - 发光边框 + 粒子扩散 */
        .file-upload-area {
            border: 2.5px dashed #B45309;
            border-radius: 0;
            padding: 40px 20px;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
            background: #fafafa;
            overflow: visible;
            text-align: center;
        }
        
        .file-upload-area::before {
            display: none;
        }
        
        .file-upload-area:hover {
            border-color: #B45309;
            border-style: solid;
            background: #f0f0f0;
            box-shadow: none;
            transform: none;
        }
        
        .file-upload-area:hover::before {
            display: none;
        }
        
        .file-upload-area.dragover {
            border-color: #B45309;
            border-style: solid;
            background: #e5e5e5;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.1);
            transform: none;
            animation: none;
        }
        
        .file-upload-icon {
            font-size: 40px;
            margin-bottom: 12px;
            transition: all 0.15s ease;
            pointer-events: none;
            position: relative;
            z-index: 1;
            filter: none;
            color: #B45309;
        }

        .file-upload-icon i {
            background: none;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: unset;
            background-clip: unset;
            color: #B45309;
            animation: none;
        }
        
        .file-upload-text {
            color: #B45309;
            margin: 0;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.6;
            pointer-events: none;
            position: relative;
            z-index: 1;
        }
        
        .file-upload-text span {
            color: #B45309;
            font-weight: 700;
            background: #f0f0f0;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: unset;
            background-clip: unset;
            padding: 1px 4px;
        }
        
        .file-size-note {
            color: #999;
            font-size: 11px;
            margin-top: 10px;
            pointer-events: none;
            position: relative;
            z-index: 1;
            font-family: 'JetBrains Mono', 'Courier New', monospace;
        }
        
        /* ===== 按钮 - 光波扩散 + 3D按压 ===== */
        .btn {
            background: #B45309;
            color: #fff;
            border: 2.5px solid #B45309;
            padding: 14px clamp(24px, 4vw, 40px);
            min-height: 44px;
            line-height: 1.2;
            border-radius: 0;
            font-size: clamp(14px, 2vw, 16px);
            font-weight: 900;
            cursor: pointer;
            transition: all 0.15s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            white-space: nowrap;
            position: relative;
            overflow: hidden;
            box-shadow: none;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        
        .btn::before {
            display: none;
        }
        
        .btn:hover {
            transform: none;
            background: #92400E;
            box-shadow: none;
        }

        .btn-outline {
            background: #FFFBF5;
            color: #B45309;
            border: 2.5px solid #B45309;
            padding: 10px 30px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            font-family: inherit;
            transition: all 0.15s;
        }

        .btn-outline:hover {
            background: #FEF3C7;
        }

        .upload-actions {
            margin-top: 20px;
            display: flex;
            gap: 10px;
            align-items: stretch;
        }

        .btn-primary-action {
            flex: 1;
            padding: 10px 16px;
            min-height: 44px;
            line-height: 1.2;
            background: #B45309;
            color: #fff;
            border: 2.5px solid #B45309;
            font-size: 14px;
            font-weight: 900;
            cursor: pointer;
            font-family: inherit;
            letter-spacing: 0.05em;
            transition: all 0.15s;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .btn-primary-action:hover {
            background: #92400E;
        }

        .btn-primary-action:disabled {
            background: #999;
            border-color: #999;
            cursor: not-allowed;
        }

        .btn-secondary-action {
            padding: 10px 14px;
            min-height: 44px;
            line-height: 1.2;
            background: #FFFBF5;
            color: #B45309;
            border: 2.5px solid #B45309;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            font-family: inherit;
            transition: all 0.15s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-secondary-action:hover {
            background: #FEF3C7;
        }

        .records-link {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-size: 12px;
            color: #999;
            cursor: pointer;
            text-decoration: none;
            transition: color 0.15s;
        }

        .records-link:hover {
            color: #B45309;
        }
        
        .btn:hover::before {
            display: none;
        }
        
        .btn:active {
            transform: none;
            box-shadow: none;
        }
        
        .btn i {
            font-size: clamp(14px, 2vw, 18px);
            transition: all 0.15s ease;
        }
        
        .btn:hover i {
            transform: none;
        }
        
        .btn:disabled {
            background: #999;
            border-color: #999;
            cursor: not-allowed;
        }
        
        /* ===== 使用指南 - 工业风 ===== */
        .instructions {
            background: #FFF8EE;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
            border-radius: 0;
            padding: 16px;
            margin-bottom: 0;
            box-shadow: none;
            border: 2px solid #B45309;
            transition: all 0.15s ease;
            position: relative;
            overflow: hidden;
        }
        
        .instructions::before {
            display: none;
        }
        
        .instructions:hover {
            box-shadow: none;
            transform: none;
            border-color: #D97706;
        }
        
        .instructions:hover::before {
            display: none;
        }
        
        .instructions h3 {
            color: #999;
            margin-top: 0;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 10px;
            font-weight: 900;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        .instructions h3::after {
            content: '';
            flex: 1;
            height: 1.5px;
            background: #ddd;
        }
        
        .instructions h3 i {
            background: none;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: unset;
            background-clip: unset;
            color: #B45309;
            font-size: clamp(20px, 3vw, 24px);
        }
        
        .instructions ul {
            padding-left: 0;
            margin: 0;
            list-style: none;
            counter-reset: none;
        }
            
        .instructions li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 12px;
            color: #555;
            line-height: 1.8;
            transition: all 0.15s ease;
            border-left: 3px solid #B45309;
            font-size: 13px;
        }
        
        .instructions li:last-child {
            margin-bottom: 0;
        }
        
        .instructions li:hover {
            color: #B45309;
            transform: none;
        }
        
        .instructions li:before {
            display: none;
        }
        
        /* ===== 提示信息卡片 ===== */
        .info-tip {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #B45309;
            border: none;
            border-radius: 0;
            padding: 10px 14px;
            margin-top: 0;
            backdrop-filter: none;
            transition: all 0.15s ease;
            color: #fff;
            font-size: 11px;
            font-weight: 700;
        }
        
        .info-tip:hover {
            background: #92400E;
            transform: none;
        }
        
        .info-tip p {
            margin: 0;
            color: #fff;
            font-size: 11px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.6;
            font-weight: 700;
        }
        
        .info-tip i {
            background: none;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: unset;
            background-clip: unset;
            color: #fbbf24;
            font-size: 18px;
            flex-shrink: 0;
        }
        
        /* ===== 状态提示 - 优雅入场 ===== */
        .alert {
            padding: 16px 24px;
            border-radius: 0;
            margin-bottom: 24px;
            color: white;
            text-align: center;
            font-weight: 700;
            box-shadow: 4px 4px 0 rgba(0,0,0,0.1);
            animation: alertSlideIn 0.3s ease-out;
        }
        
        .alert-success {
            background: #f0fdf4;
            border-left: 3px solid #059669;
            color: #059669;
            border-radius: 0;
        }
        
        .alert-error {
            background: #fef2f2;
            border-left: 3px solid #dc2626;
            color: #dc2626;
            border-radius: 0;
        }
        
        @keyframes alertSlideIn {
            from { 
                opacity: 0;
                transform: translateY(-20px) scale(0.95);
            }
            to { 
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .progress-bar {
            height: 6px;
            background: #e5e5e5;
            border: 1.5px solid #B45309;
            margin: 20px 0;
            overflow: hidden;
            position: relative;
        }
        
        .progress {
            height: 100%;
            background: #B45309;
            width: 0%;
            transition: width .28s linear;
            animation: progress-pulse 1.5s infinite;
        }

        @keyframes progress-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .progress-text {
            font-family: 'JetBrains Mono', 'Courier New', monospace;
            font-size: 11px;
            color: #57534E;
            margin-top: 6px;
            text-align: center;
        }

        .progress-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 6px;
        }
        .progress-status .progress-text { margin-top: 0; text-align: left; }

        .progress-percent {
            flex: 0 0 auto;
            min-width: 38px;
            color: #B45309;
            font-family: 'JetBrains Mono', 'Courier New', monospace;
            font-size: 11px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            text-align: right;
        }

        .uploading {
            display: none;
            margin-top: 16px;
        }

        .uploading.active {
            display: block;
        }

        .form-validating .file-upload-area,
        .form-validating .upload-actions,
        .form-validating .records-link {
            display: none;
        }

        .form-validating .progress-bar {
            display: block;
        }

        /* 上传禁用状态样式 */
        .upload-disabled {
            text-align: center;
            padding: 40px 20px;
            color: #57534E;
            border: 2px solid #B45309;
        }
        
        .upload-disabled .file-upload-icon {
            font-size: 64px;
            color: #999;
            margin-bottom: 20px;
        }
        
        .upload-disabled h3 {
            color: #B45309;
            margin-bottom: 10px;
            font-size: 24px;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        .upload-disabled p {
            color: #555;
            font-size: 16px;
            line-height: 1.5;
        }
        
        /* 使用指南内容样式 */
        .guide-content {
            line-height: 1.8;
            border-left: 3px solid #B45309;
            padding-left: 12px;
        }
        
        .guide-content ul {
            margin: 0;
            padding-left: 20px;
        }
        
        .guide-content li {
            margin-bottom: 8px;
            color: #555;
        }
        
        .guide-content p {
            color: #555;
        }
        
        .guide-content strong {
            color: #B45309;
        }
        
        /* ===== 响应式设计 - 移动端适配 ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
        }
        
        /* 移动端汉堡菜单 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text-primary);
            font-size: 24px;
            transition: transform 0.3s ease;
        }
        
        .mobile-menu-toggle:active {
            transform: scale(0.9);
        }
        
        .mobile-user-menu {
            display: none;
            position: fixed;
            top: 72px;
            right: 0;
            background: #FFFBF5;
            box-shadow: -4px 4px 20px rgba(180, 83, 9, 0.15);
            border-radius: 0;
            padding: 20px;
            z-index: 999;
            width: min(320px, 85vw);
            max-height: calc(100vh - 72px);
            overflow-y: auto;
            animation: slideInRight 0.3s ease-out;
        }
        
        .mobile-user-menu.active {
            display: block;
        }
        
        @keyframes slideInRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }
        
        .mobile-overlay.active {
            display: block;
        }
        
        @media (max-width: 768px) {
            .top-navbar {
                height: auto;
                min-height: 60px;
                padding: 10px 16px;
                flex-wrap: nowrap;
            }
            
            .navbar-brand {
                font-size: 14px;
                gap: 8px;
                flex: 1;
                min-width: 0;
            }
            
            .navbar-brand i {
                font-size: 18px;
                flex-shrink: 0;
            }
            
            /* 隐藏桌面端的用户状态栏，用汉堡菜单替代 */
            #user-status-bar {
                display: none !important;
            }
            
            #login-prompt-bar {
                display: none !important;
            }
            
            /* 显示汉堡菜单按钮 */
            .mobile-menu-toggle {
                display: block;
                flex-shrink: 0;
            }
            
            #mobile-notification-area {
                display: flex !important;
                align-items: center;
                flex-shrink: 0;
            }
            #mobile-notification-area:not(.logged-in) {
                display: none !important;
            }
            
            /* 移动端用户菜单调整 */
            .mobile-user-menu {
                top: 60px;
            }
            
            .mobile-user-menu button {
                width: 100%;
                margin-bottom: 10px;
                padding: 12px 16px !important;
                font-size: 14px !important;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 10px;
            }
            
            .mobile-user-menu button i {
                width: 20px;
                text-align: center;
            }
            
            .container {
                padding: 0;
            }
            
            .card-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }
            
            .upload-section {
                padding: 0;
                margin-bottom: 0;
                background: transparent;
                border: none;
                box-shadow: none;
            }
            
            .file-upload-area {
                padding: 28px 16px;
                min-height: 160px;
                -webkit-tap-highlight-color: transparent;
                touch-action: manipulation;
            }
            
            .file-upload-icon {
                font-size: 36px;
            }
            
            .file-upload-text {
                font-size: 14px;
            }
            
            .file-size-note {
                font-size: 11px;
            }
            
            .upload-actions {
                flex-direction: column;
                gap: 8px;
            }
            
            .btn-primary-action,
            .btn-secondary-action {
                width: 100%;
                justify-content: center;
                padding: 12px 16px;
                min-height: 44px;
            }
            
            .btn {
                width: 100%;
                padding: 12px 24px;
                font-size: 14px;
                min-height: 44px;
            }
            
            .records-link {
                justify-content: center;
                padding: 8px 0;
                font-size: 13px;
            }
            
            .announcement-bar {
                padding: 8px 12px;
                font-size: 12px;
                flex-wrap: wrap;
            }
            
            .instructions {
                padding: 20px 16px;
                background: transparent;
                border: none;
                box-shadow: none;
            }
            
            .instructions h3 {
                font-size: 1.1rem;
            }
            
            .instructions li {
                font-size: 13px;
                margin-bottom: 8px;
            }
            
            .guide-content {
                padding-left: 10px;
            }
            
            .upload-disabled {
                border: none;
                padding: 20px 16px;
            }
            
            .upload-disabled h3 {
                font-size: 18px;
            }
            
            .upload-disabled .file-upload-icon {
                font-size: 40px;
            }
            
            .validation-records-btn {
                margin-left: 0 !important;
                margin-top: 10px !important;
            }
            
            .articles-grid {
                grid-template-columns: 1fr !important;
            }
            
            .article-card {
                max-width: 100%;
            }
            
            .info-tip {
                padding: 12px;
                font-size: 13px;
            }
            
            .mobile-menu-toggle {
                min-width: 44px;
                min-height: 44px;
            }
            
            #login-modal > div,
            #change-password-modal > div {
                margin: auto;
                max-height: 85vh !important;
                padding: 24px !important;
            }
            
            #login-modal h2,
            #change-password-modal h2 {
                font-size: 20px !important;
            }
            
            #login-modal input,
            #change-password-modal input {
                font-size: 16px !important;
                padding: 12px 14px !important;
            }
            
            #login-modal button,
            #change-password-modal button {
                padding: 12px !important;
                font-size: 15px !important;
                min-height: 44px;
            }

            #profile-modal > div {
                margin: auto;
                max-height: 85vh !important;
                padding: 16px !important;
                max-width: 100% !important;
            }
            #profile-modal input {
                font-size: 16px !important;
                padding: 9px 10px !important;
            }
            #profile-modal button {
                min-height: 44px;
            }
            #profile-modal form > div:first-child {
                grid-template-columns: 1fr !important;
            }
        }
        
        /* ===== 文章卡片样式 ===== */
        .articles-grid {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin: 0;
        }

        .articles-section {
            margin-top: 0;
            padding: 0;
            background: transparent;
            border-radius: 0;
            box-shadow: none;
        }

        .section-label {
            font-size: 10px;
            font-weight: 900;
            color: #999;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-label::after {
            content: '';
            flex: 1;
            height: 1.5px;
            background: #ddd;
        }
        
        .article-card {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border: 1.5px solid #B45309;
            background: #FFFBF5;
            cursor: pointer;
            transition: all 0.15s;
            border-radius: 0;
            box-shadow: none;
            overflow: hidden;
            position: relative;
        }
        
        .article-card::before {
            display: none;
        }
        
        .article-card:hover {
            background: #FEF3C7;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.1);
            transform: translate(-1px, -1px);
            border-color: #D97706;
        }
        
        .article-card:hover::before {
            display: none;
        }
        
        .article-card-image {
            display: none;
        }
        
        .article-card:hover .article-card-image {
            transform: none;
        }
        
        .article-card-image i {
            display: none;
        }
        
        .article-card:hover .article-card-image i {
            transform: none;
        }
        
        .article-card-content {
            padding: 0;
            flex: 1;
            display: contents;
            position: relative;
            z-index: 2;
        }
        
        .article-card-title {
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 0;
            color: #B45309;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: block;
            line-height: 1.4;
            transition: all 0.15s ease;
        }
        
        .article-card:hover .article-card-title {
            color: #92400E;
            transform: none;
        }
        
        .article-card-excerpt {
            display: none;
        }
        
        .article-card:hover .article-card-excerpt {
            color: #1C1917;
        }
        
        .article-card-meta {
            display: flex;
            align-items: center;
            font-size: 10px;
            color: #999;
            padding-top: 0;
            border-top: none;
            font-family: 'JetBrains Mono', 'Courier New', monospace;
            transition: all 0.3s ease;
        }
        
        .article-card:hover .article-card-meta {
            color: #B45309;
            border-top-color: transparent;
        }

        .article-index {
            font-family: 'JetBrains Mono', 'Courier New', monospace;
            font-size: 11px;
            font-weight: 700;
            color: #999;
        }
        
        .article-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all 0.3s ease;
        }
        
        .article-card-meta span i {
            transition: all 0.3s ease;
        }
        
        .article-card:hover .article-card-meta span:nth-child(1) i {
            animation: pulse 1.5s ease-in-out infinite;
        }
        
        .article-card:hover .article-card-meta span:nth-child(2) i {
            animation: pulse 1.5s ease-in-out 0.2s infinite;
        }
        
        .article-card:hover .article-card-meta span:nth-child(3) i {
            animation: pulse 1.5s ease-in-out 0.4s infinite;
        }
        
        /* 脉冲动画 */
        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.2);
            }
        }
        
        /* 加载更多按钮动效 */
        #load-more-articles {
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        #load-more-articles:hover {
            background: #36CFC9;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(54, 207, 201, 0.3);
        }
        
        #load-more-articles i {
            transition: transform 0.3s ease;
        }
        
        #load-more-articles:hover i {
            transform: rotate(180deg);
        }
        
        /* ===== 文章详情弹窗样式优化 ===== */
        #article-detail-modal {
            animation: fadeIn 0.3s ease-out !important;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        
        #article-detail-modal > div {
            animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
            border-radius: 0 !important;
            border: 2.5px solid #B45309 !important;
            box-shadow: 8px 8px 0 rgba(180,83,9,0.2) !important;
        }
        
        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        #article-detail-modal button[onclick*="closeArticleDetail"]:hover {
            color: #B45309 !important;
            transform: rotate(90deg) scale(1.2) !important;
            background: #FEF3C7 !important;
            border-radius: 0 !important;
        }
        
        /* 统计信息卡片优化 */
        #article-detail-modal .stat-item {
            transition: all 0.3s ease;
        }
        
        /* ===== 元信息图标脉冲动画 ===== */
        @keyframes modalMetaIconPulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.15);
            }
        }
        
        /* 元信息区域的所有图标添加脉冲动画 */
        #article-detail-modal .fa-user,
        #article-detail-modal .fa-calendar,
        #article-detail-modal .fa-eye,
        #article-detail-modal .fa-heart:not(#like-article-btn .fa-heart),
        #article-detail-modal .fa-comment:not(button .fa-comment) {
            animation: modalMetaIconPulse 2s ease-in-out infinite;
            display: inline-block;
        }
        
        /* 错开动画时间 */
        #article-detail-modal .fa-user {
            animation-delay: 0s;
        }
        
        #article-detail-modal .fa-calendar {
            animation-delay: 0.2s;
        }
        
        #article-detail-modal .fa-eye {
            animation-delay: 0.4s;
        }
        
        #article-detail-modal .fa-heart:not(#like-article-btn .fa-heart) {
            animation-delay: 0.6s;
        }
        
        #article-detail-modal .fa-comment:not(button .fa-comment) {
            animation-delay: 0.8s;
        }
        
        /* 操作按钮优化 */
        #like-article-btn {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #36CFC9 0%, #165DFF 100%) !important;
            transition: all 0.3s ease !important;
        }
        
        #like-article-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }
        
        #like-article-btn:hover::before {
            width: 300px;
            height: 300px;
        }
        
        #like-article-btn:hover {
            background: #333 !important;
            transform: translate(-1px, -1px) !important;
            box-shadow: 4px 4px 0 rgba(0,0,0,0.2) !important;
        }
        
        #like-article-btn i {
            animation: heartBeat 1.2s ease-in-out infinite;
            display: inline-block;
        }
        
        #like-article-btn:hover i {
            animation: heartBeat 0.6s ease-in-out infinite;
        }
        
        @keyframes heartBeat {
            0%, 100% {
                transform: scale(1);
            }
            10%, 30% {
                transform: scale(1.25);
            }
            20%, 40% {
                transform: scale(0.95);
            }
        }
        
        /* 评论按钮优化 */
        #article-detail-modal button[onclick*="focusCommentInput"] {
            background: #B45309 !important;
            border: 2px solid #B45309 !important;
            border-radius: 0 !important;
            transition: all 0.15s ease !important;
        }
        
        #article-detail-modal button[onclick*="focusCommentInput"]:hover {
            background: #92400E !important;
            transform: translate(-1px, -1px) !important;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.2) !important;
        }
        
        #article-detail-modal button[onclick*="focusCommentInput"] i {
            animation: commentBounce 1.5s ease-in-out infinite;
            display: inline-block;
        }
        
        #article-detail-modal button[onclick*="focusCommentInput"]:hover i {
            animation: commentBounce 0.6s ease-in-out infinite;
        }
        
        @keyframes commentBounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-4px);
            }
        }
        
        /* 评论输入框优化 */
        #comment-name,
        #comment-email,
        #comment-content {
            transition: all 0.3s ease !important;
        }
        
        #comment-name:focus,
        #comment-email:focus,
        #comment-content:focus {
            border-color: #165DFF !important;
            outline: none !important;
            box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1) !important;
            background: #FFFBF5 !important;
            transform: translateY(-2px);
        }
        

        
        /* 统计信息卡片优化 */
        #article-detail-modal > div > div:nth-child(2) > div:first-child span {
            position: relative;
            transition: all 0.3s ease;
            padding: 5px 10px;
            border-radius: 6px;
        }
        
        #article-detail-modal > div > div:nth-child(2) > div:first-child span:hover {
            background: rgba(22, 93, 255, 0.05);
            transform: translateY(-2px);
        }
        
        #article-detail-modal > div > div:nth-child(2) > div:first-child span i {
            transition: all 0.3s ease;
        }
        
        #article-detail-modal > div > div:nth-child(2) > div:first-child span:hover i {
            animation: pulse 1.5s ease-in-out infinite;
            transform: scale(1.2);
        }

        @media (max-width: 768px) {
            #article-detail-modal {
                padding: 8px !important;
            }

            #article-detail-modal > div {
                max-width: 100% !important;
                max-height: calc(100vh - 16px) !important;
                box-shadow: none !important;
                border-width: 2px !important;
            }

            #article-detail-modal > div > div:first-child {
                padding: 16px !important;
            }

            #article-detail-modal h2 {
                font-size: 17px !important;
            }

            #article-detail-modal > div > div:nth-child(2) {
                padding: 16px !important;
            }

            #article-detail-modal > div > div:nth-child(2) > div:first-child {
                gap: 8px !important;
                font-size: 12px !important;
            }

            #article-detail-modal > div > div:nth-child(2) > div:nth-child(2) {
                flex-direction: column !important;
                gap: 8px !important;
            }

            #article-detail-modal > div > div:nth-child(2) > div:nth-child(2) button {
                width: 100% !important;
                justify-content: center !important;
                min-height: 44px;
            }

            #article-detail-modal .ind-comment-textarea {
                font-size: 16px !important;
            }
        }
        
        /* 评论卡片样式优化 */
        .comment-card {
            padding: 20px;
            background: #f9f9f9;
            border-radius: 12px;
            margin-bottom: 15px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(22, 93, 255, 0);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        /* 评论卡片光效扫过 */
        .comment-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(22, 93, 255, 0.05), transparent);
            transition: left 0.6s ease;
        }
        
        .comment-card:hover {
            background: #FFFBF5;
            border-color: rgba(180, 83, 9, 0.2);
            box-shadow: 0 4px 12px rgba(180, 83, 9, 0.1);
            transform: translateX(4px) translateY(-2px);
        }
        
        .comment-card:hover::before {
            left: 100%;
        }
        
        .comment-card .comment-author {
            font-weight: 600;
            color: #1C1917;
            font-size: 15px;
            transition: all 0.3s ease;
        }
        
        .comment-card:hover .comment-author {
            color: #165DFF;
        }
        
        .comment-card .comment-author i {
            margin-right: 5px;
            color: #36CFC9;
            transition: all 0.3s ease;
        }
        
        .comment-card:hover .comment-author i {
            transform: rotate(360deg) scale(1.2);
        }
        
        .comment-card .comment-date {
            font-size: 12px;
            color: #999;
            transition: color 0.3s ease;
        }
        
        .comment-card:hover .comment-date {
            color: #57534E;
        }
        
        .comment-card .comment-content {
            color: #57534E;
            line-height: 1.6;
            font-size: 14px;
            transition: color 0.3s ease;
        }
        
        .comment-card:hover .comment-content {
            color: #1C1917;
        }
        
        /* 回复按钮样式 */
        .reply-btn {
            background: linear-gradient(135deg, #165DFF 0%, #36CFC9 100%);
            color: white;
            border: none;
            padding: 6px 16px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 2px 6px rgba(22, 93, 255, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .reply-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.5s, height 0.5s;
        }
        
        .reply-btn:hover::before {
            width: 200px;
            height: 200px;
        }
        
        .reply-btn:hover {
            background: linear-gradient(135deg, #36CFC9 0%, #165DFF 100%);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
        }
        
        .reply-btn:active {
            transform: translateY(0);
        }
        
        .reply-btn i {
            margin-right: 4px;
            animation: replyIconBounce 2s ease-in-out infinite;
        }
        
        .reply-btn:hover i {
            animation: replyIconBounce 0.6s ease-in-out infinite;
        }
        
        @keyframes replyIconBounce {
            0%, 100% {
                transform: translateX(0);
            }
            50% {
                transform: translateX(-3px);
            }
        }
        
        /* 嵌套回复连接线 */
        .comment-card[style*="border-left"] {
            position: relative;
        }
        
        .comment-card[style*="border-left"]::after {
            content: '';
            position: absolute;
            left: -3px;
            top: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, rgba(22, 93, 255, 0.3), rgba(54, 207, 201, 0.3));
            border-radius: 2px;
        }
        
        /* 用户标识样式 */
        .user-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 600;
            margin-left: 6px;
            animation: badgePulse 2s ease-in-out infinite;
        }
        
        .user-badge.author {
            background: linear-gradient(135deg, #FF6B6B, #FF8E53);
            color: white;
            box-shadow: 0 2px 6px rgba(255, 107, 107, 0.3);
        }
        
        .user-badge.admin {
            background: linear-gradient(135deg, #165DFF, #36CFC9);
            color: white;
            box-shadow: 0 2px 6px rgba(22, 93, 255, 0.3);
        }
        
        @keyframes badgePulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.05);
                opacity: 0.9;
            }
        }
        
        /* 回复表单动画 */
        .reply-form {
            animation: slideDown 0.3s ease-out;
        }
        
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .user-notification-bell {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f3f4f6;
            color: #374151;
            border: none;
            cursor: pointer;
            font-size: 14px;
            transition: background 0.2s;
            position: relative;
        }
        .user-notification-bell:hover {
            background: #e5e7eb;
        }
        .user-notification-bell .bell-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            min-width: 16px;
            height: 16px;
            background: #ef4444;
            border-radius: 50%;
            color: #fff;
            font-size: 10px;
            display: none;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }
        .user-notification-bell .bell-badge.visible {
            display: flex;
        }
        .user-notification-dropdown {
            display: none;
            position: absolute;
            right: 0;
            top: 44px;
            width: min(360px, calc(100vw - 32px));
            background: #FFFBF5;
            border-radius: 0;
            box-shadow: 0 10px 25px -5px rgba(180,83,9,0.15);
            border: 1px solid #e5e7eb;
            z-index: 100;
            overflow: hidden;
        }
        .mobile-notification-bell-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f3f4f6;
            border: none;
            cursor: pointer;
            position: relative;
            color: #374151;
            font-size: 16px;
            transition: background 0.2s;
        }
        .mobile-notification-bell-btn:hover {
            background: #e5e7eb;
        }
        .mobile-bell-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            min-width: 16px;
            height: 16px;
            background: #ef4444;
            border-radius: 50%;
            color: #fff;
            font-size: 10px;
            display: none;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }
        .mobile-bell-badge.visible {
            display: flex;
        }
        .mobile-notification-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.4);
            z-index: 9998;
        }
        .mobile-notification-overlay.active {
            display: block;
        }
        .mobile-notification-panel {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #FFFBF5;
            border-radius: 0;
            box-shadow: 0 -4px 20px rgba(180,83,9,0.15);
            z-index: 9999;
            max-height: 70vh;
            display: flex;
            flex-direction: column;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        .mobile-notification-panel.active {
            transform: translateY(0);
        }
        .mobile-notification-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            border-bottom: 1px solid #f3f4f6;
            background: #f9fafb;
            flex-shrink: 0;
        }
        .mobile-notification-panel-header span {
            font-size: 15px;
            font-weight: 600;
            color: #1f2937;
        }
        .mobile-notification-panel-header button {
            font-size: 12px;
            color: var(--color-primary, #4F46E5);
            font-weight: 500;
            background: none;
            border: none;
            cursor: pointer;
        }
        .mobile-notification-panel-body {
            flex: 1;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
        }

#user-navbar { display: none !important; }

/* ===== 工业风页脚链接 ===== */
        .ind-footer-link {
            display: inline-flex;
            align-items: center;
            text-decoration: none;
            color: #999;
            font-size: 14px;
            transition: all 0.15s ease;
            padding: 8px 16px;
            border-radius: 0;
            background: #FFFBF5;
            border: 1.5px solid #B45309;
        }

        .ind-footer-link:hover {
            color: #B45309;
            background: #FEF3C7;
            border-color: #B45309;
        }

        /* ===== 工业风Navbar覆盖 ===== */
        .navbar {
            background: #292524 !important;
            border-bottom: 2.5px solid #B45309 !important;
            box-shadow: none !important;
        }

        .navbar a,
        .navbar span,
        .navbar .navbar-brand {
            color: #fff !important;
        }

        .navbar .navbar-brand > div:first-child {
            background: #B45309 !important;
            border-radius: 0 !important;
            border: 1.5px solid #78716C !important;
        }

        .navbar button[onclick*="openNavbarLoginModal"] {
            background: #FFFBF5 !important;
            color: #B45309 !important;
            border: 2px solid #B45309 !important;
            border-radius: 0 !important;
            box-shadow: none !important;
            font-weight: 700 !important;
            text-transform: uppercase !important;
            letter-spacing: 0.05em !important;
        }

        .navbar button[onclick*="openNavbarLoginModal"]:hover {
            background: #FEF3C7 !important;
            transform: translate(-1px, -1px) !important;
            box-shadow: 2px 2px 0 rgba(180,83,9,0.2) !important;
        }

        #navbar-user-avatar-ring {
            background: #B45309 !important;
            border: 2px solid #78716C !important;
        }

        .navbar .dropdown-menu {
            border-radius: 0 !important;
            border: 2px solid #B45309 !important;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.15) !important;
        }

        .navbar .dropdown-menu > div:first-child {
            background: #FEF3C7 !important;
            border-bottom: 2px solid #B45309 !important;
        }

        #dropdown-user-avatar {
            background: #B45309 !important;
            border-radius: 0 !important;
        }

        .badge-qq {
            background: #78716C !important;
            border-radius: 0 !important;
        }

        .badge-unbound {
            background: #B45309 !important;
            border-radius: 0 !important;
        }

        /* ===== 工业风Login Modal覆盖 ===== */
        #login-modal {
            border-radius: 0 !important;
        }

        #login-modal > div {
            border-radius: 0 !important;
            border: 2.5px solid #B45309 !important;
            box-shadow: 8px 8px 0 rgba(180,83,9,0.2) !important;
        }

        .login-modal-icon {
            background: #B45309 !important;
            border-radius: 0 !important;
            border: 2px solid #78716C !important;
        }

        #login-modal input[type="text"],
        #login-modal input[type="password"] {
            border-radius: 0 !important;
            border: 2px solid #B45309 !important;
        }

        #login-modal input[type="text"]:focus,
        #login-modal input[type="password"]:focus {
            border-color: #D97706 !important;
            box-shadow: 2px 2px 0 rgba(180,83,9,0.1) !important;
        }

        #login-modal button[type="submit"] {
            background: #B45309 !important;
            border: 2px solid #B45309 !important;
            border-radius: 0 !important;
            box-shadow: none !important;
            text-transform: uppercase !important;
            letter-spacing: 0.05em !important;
        }

        #login-modal button[type="submit"]:hover {
            background: #92400E !important;
            transform: translate(-1px, -1px) !important;
            box-shadow: 2px 2px 0 rgba(180,83,9,0.2) !important;
        }


        .ind-music-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 0;
            background: #B45309;
            color: #fff;
            border: 2px solid #B45309;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.2);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            z-index: 10001;
            transition: all 0.15s ease;
        }

        .ind-music-btn:hover {
            background: #92400E;
            transform: translate(-1px, -1px);
            box-shadow: 6px 6px 0 rgba(180,83,9,0.2);
        }

        .ind-qq-banner {
            background: #FFF8EE;
            backdrop-filter: none;
            border-radius: 0;
            padding: 20px 24px;
            margin: 20px auto;
            max-width: 1200px;
            border: 2px solid #B45309;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.1);
            animation: slideInDown 0.5s ease-out;
        }

        .ind-qq-avatar {
            width: 56px;
            height: 56px;
            border-radius: 0;
            border: 2px solid #B45309;
            box-shadow: none;
        }

        .qq-bind-modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.48);
            z-index: 10001;
            align-items: center;
            justify-content: center;
            padding: 16px;
            backdrop-filter: blur(4px);
        }

        .qq-bind-dialog {
            position: relative;
            width: 100%;
            max-width: 400px;
            max-height: 90vh;
            overflow-y: auto;
            background: #FFFBF5;
            border: 2.5px solid #B45309;
            border-radius: 0;
            padding: 20px 24px;
            box-shadow: 12px 12px 0 rgba(180,83,9,0.2);
            animation: slideIn 0.2s ease-out;
        }

        .qq-bind-close {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 32px;
            height: 32px;
            border: 2px solid #B45309;
            border-radius: 0;
            background: #FFFBF5;
            color: #B45309;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            transition: background 0.15s, color 0.15s;
        }

        .qq-bind-close:hover {
            background: #B45309;
            color: #fff;
        }

        .qq-bind-head {
            text-align: center;
            margin-bottom: 20px;
            padding-right: 24px;
            padding-left: 24px;
        }

        .qq-bind-head h2 {
            margin: 0 0 6px;
            font-size: 20px;
            line-height: 1.25;
            color: #B45309;
            font-weight: 800;
        }

        .qq-bind-head p {
            margin: 0;
            color: #57534E;
            font-size: 13px;
            line-height: 1.5;
        }

        .ind-bind-icon {
            width: 58px;
            height: 58px;
            margin: 0 auto 12px;
            background: #B45309;
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: none;
            border: 2px solid #78716C;
        }

        .ind-bind-info {
            background: #FFF8EE;
            border: 2px solid rgba(180,83,9,0.18);
            border-left: 4px solid #B45309;
            padding: 12px 14px;
            margin-bottom: 16px;
            border-radius: 0;
        }

        .qq-bind-flow {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: #B45309;
            font-size: 13px;
            font-weight: 900;
        }

        .qq-bind-flow span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-width: 0;
        }

        .qq-bind-note {
            margin-top: 8px;
            color: #57534E;
            font-size: 12.5px;
            line-height: 1.6;
        }

        .qq-bind-field {
            margin-bottom: 14px;
        }

        .qq-bind-field label {
            display: block;
            margin-bottom: 6px;
            color: #334155;
            font-weight: 700;
            font-size: 12px;
        }

        .qq-bind-field input {
            width: 100%;
            box-sizing: border-box;
            padding: 10px 12px;
            border: 2px solid #B45309;
            border-radius: 0;
            font-size: 14px;
            color: #0f172a;
            background: #FFF8EE;
            outline: none;
            transition: background 0.15s, box-shadow 0.15s;
        }

        .qq-bind-field input:focus {
            background: #FFFBF5;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.12);
        }

        .qq-bind-error {
            margin-bottom: 14px;
            padding: 10px 12px;
            border-radius: 0;
            background: #fef2f2;
            border: 2px solid #dc2626;
            color: #dc2626;
            font-size: 13px;
            line-height: 1.6;
        }

        .qq-bind-actions {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .qq-bind-actions button {
            flex: 1;
            min-height: 42px;
            border-radius: 0;
            font-size: 13px;
            font-weight: 800;
            cursor: pointer;
            transition: background 0.15s, border-color 0.15s, color 0.15s;
        }

        .qq-bind-secondary {
            background: #fff;
            color: #B45309;
            border: 2px solid #B45309;
        }

        .qq-bind-secondary:hover {
            background: #FFF8EE;
            color: #92400e;
        }

        .qq-bind-primary {
            background: #B45309;
            color: #fff;
            border: 2px solid #B45309;
        }

        .qq-bind-primary:hover {
            background: #92400e;
            border-color: #92400e;
        }

        @media (max-width: 480px) {
            .qq-bind-dialog {
                padding: 20px;
            }

            .qq-bind-actions {
                flex-direction: column-reverse;
            }
        }

        .ind-records-modal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.85);
            z-index: 10000;
            align-items: center;
            justify-content: center;
            backdrop-filter: none;
            padding: 20px;
        }

        .ind-records-modal-inner {
            background: #FFFBF5;
            border-radius: 0;
            padding: 30px;
            max-width: 800px;
            width: 100%;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: 8px 8px 0 rgba(180,83,9,0.2);
            animation: slideIn 0.3s ease-out;
            border: 2.5px solid #B45309;
        }

        .ind-records-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 2px solid #B45309;
            padding-bottom: 15px;
        }

        .ind-footer-container {
            text-align: center;
            padding: 20px 0 30px;
            margin-top: 40px;
            border-top: 2px solid #B45309;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        /* ===== 工业风移动端适配 ===== */
        @media (max-width: 768px) {
            body {
                padding: 0;
            }

            .industrial-wrapper {
                margin-top: 0;
                margin: 0;
                max-width: 100%;
            }

            .industrial-printer-slot {
                padding: 8px 12px;
                border-radius: 0;
            }

            .industrial-printer-slot-label {
                font-size: 9px;
            }

            .industrial-main-frame {
                box-shadow: none;
                border-width: 2px;
            }

            .industrial-status-bar {
                border-radius: 0;
                padding: 6px 12px;
            }

            .industrial-status-text {
                font-size: 9px;
            }

            .left-column {
                padding: 20px 16px;
            }

            .right-column {
                padding: 20px 16px;
            }
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            #user-status-bar > div,
            #login-prompt-bar > div {
                flex-direction: column;
                align-items: stretch !important;
            }
            
            #user-status-bar button,
            #login-prompt-bar button {
                width: 100%;
            }

            .ind-qq-banner {
                padding: 16px;
                margin: 12px 0;
            }

            .ind-qq-avatar {
                width: 40px;
                height: 40px;
            }

            #qq-welcome-banner > div {
                flex-direction: column !important;
                align-items: flex-start !important;
                gap: 12px !important;
            }

            #qq-welcome-banner > div > div:first-child {
                flex-direction: column !important;
                align-items: flex-start !important;
                gap: 10px !important;
            }

            #qq-welcome-banner > div > div:last-child {
                width: 100%;
                justify-content: flex-start !important;
            }

            #confirm-submit-modal {
                padding: 8px !important;
            }

            #confirm-submit-modal > div {
                max-width: 100% !important;
                padding: 20px !important;
                box-shadow: none !important;
                border-width: 2px !important;
            }

            #confirm-submit-modal > div > div:last-child {
                flex-direction: column !important;
            }

            #confirm-submit-modal button {
                min-height: 44px;
            }
        }

        /* ===== 悬浮操作球 - Liquid Glass 风格 (浅色背景适配) ===== */
        .liquid-glass-btn {
            position: fixed;
            z-index: 999;
            padding: 12px 22px;
            background: #B45309;
            color: #fff;
            text-decoration: none;
            border-radius: 0;
            font-size: 11px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 2px solid #B45309;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.2);
            transition: all 0.15s ease;
            overflow: hidden;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .liquid-glass-btn::after {
            display: none;
        }

        .liquid-glass-btn:hover {
            transform: translate(-1px, -1px);
            background: #92400E;
            box-shadow: 6px 6px 0 rgba(180,83,9,0.2);
            border-color: #B45309;
            color: #fff;
        }

        .liquid-glass-btn:hover::after {
            display: none;
        }

        .liquid-glass-btn:active {
            transform: none;
        }

        .liquid-glass-btn i {
            font-size: 16px;
            position: relative;
            z-index: 2;
        }

        .liquid-glass-btn span {
            position: relative;
            z-index: 2;
        }

        .liquid-glass-btn--right {
            bottom: 32px;
            right: 32px;
        }

        .liquid-glass-btn--left {
            bottom: 32px;
            left: 32px;
        }

        @keyframes glassLightPulse {
            0% { transform: translate(-30%, -30%); opacity: 0.5; }
            50% { transform: translate(10%, 10%); opacity: 0.8; }
            100% { transform: translate(-30%, -30%); opacity: 0.5; }
        }

        @media (max-width: 767px) {
            .liquid-glass-btn {
                padding: 10px 16px;
                font-size: 13px;
                gap: 6px;
                border-radius: 22px;
            }
            .liquid-glass-btn--right {
                bottom: 20px;
                right: 16px;
            }
            .liquid-glass-btn--left {
                bottom: 20px;
                left: 16px;
            }
        }

        .feedback-button {
            display: none !important;
        }

        @media (max-width: 768px) {
            .feedback-button {
                bottom: 20px;
                right: 20px;
                padding: 12px 20px;
                font-size: 14px;
            }
        }

        /* ===== 登录弹窗趣味小人 ===== */
        .login-modal-shell {
            position: fixed;
            inset: 0;
            z-index: 10000;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.6);
            padding: 16px;
        }

        .login-modal-panel {
            position: relative;
            width: min(900px, 100%);
            max-height: min(88vh, 900px);
            overflow-y: auto;
            overscroll-behavior: contain;
            border-radius: 0;
            background: #FFFBF5;
            box-shadow: 16px 16px 0 rgba(180,83,9,0.2);
            border: 2.5px solid #B45309;
            animation: loginModalRise 0.2s ease-out;
            scrollbar-width: thin;
        }

        .login-modal-grid {
            display: grid;
            grid-template-columns: minmax(280px, 360px) 1fr;
            min-height: min(640px, 88vh);
        }

        .login-modal-side {
            position: relative;
            overflow: hidden;
            padding: 32px 28px;
            color: #fff;
            background: #292524;
            border-right: 2.5px solid #B45309;
        }

        .login-side-glow {
            display: none;
        }

        .login-side-badge {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 12px;
            border-radius: 0;
            background: rgba(255, 255, 255, 0.1);
            font-size: 12px;
            font-weight: 700;
            border: 1px solid rgba(255,255,255,0.2);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .login-side-title {
            position: relative;
            z-index: 1;
            margin: 0 0 10px;
            font-size: 28px;
            font-weight: 900;
            letter-spacing: -0.02em;
        }

        .login-side-text {
            position: relative;
            z-index: 1;
            margin: 0;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
        }

        .login-side-points {
            position: relative;
            z-index: 1;
            margin-top: 22px;
            display: grid;
            gap: 10px;
        }

        .login-side-point {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 0;
            background: rgba(255, 255, 255, 0.06);
            font-size: 13px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .login-modal-main {
            padding: 32px 30px;
            background: #FFFBF5;
        }

        .login-main-header h3 {
            margin: 8px 0 10px;
            font-size: 22px;
            color: #B45309;
            font-weight: 900;
            letter-spacing: -0.02em;
        }

        .login-main-header p {
            margin: 0;
            color: #555;
            font-size: 14px;
            line-height: 1.7;
        }

        .login-main-kicker {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 0;
            background: #B45309;
            color: #fff;
            font-size: 10px;
            font-weight: 900;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        .login-field {
            margin-top: 18px;
        }

        .login-field label {
            display: block;
            margin-bottom: 6px;
            font-size: 10px;
            font-weight: 900;
            color: #999;
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        .login-input-shell {
            display: flex;
            align-items: center;
            gap: 10px;
            border: 2px solid #B45309;
            border-radius: 0;
            background: #FFF8EE;
            padding: 0 14px;
            transition: all 0.15s ease;
        }

        .login-input-shell:focus-within {
            background: #FFFBF5;
            box-shadow: 4px 4px 0 rgba(180,83,9,0.1);
        }

        .login-input-shell i {
            color: #999;
            font-size: 14px;
        }

        .login-input-shell input {
            width: 100%;
            border: none;
            outline: none;
            background: transparent;
            padding: 12px 0;
            font-size: 14px;
            box-sizing: border-box;
        }

        .login-error-box {
            margin-top: 18px;
            padding: 10px 14px;
            border-radius: 0;
            background: #fef2f2;
            border: 2px solid #dc2626;
            color: #dc2626;
            font-size: 13px;
            line-height: 1.6;
        }

        .login-action-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 18px;
        }

        .login-primary-btn,
        .login-secondary-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 0;
            padding: 14px 18px;
            font-size: 14px;
            font-weight: 900;
            cursor: pointer;
            transition: all 0.15s ease;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .login-primary-btn {
            background: #B45309;
            color: #fff;
            border: 2.5px solid #B45309;
        }

        .login-primary-btn:hover:not(:disabled) {
            background: #92400E;
        }

        .login-primary-btn:disabled {
            opacity: 0.7;
            cursor: wait;
        }

        .login-secondary-btn {
            background: #FFFBF5;
            color: #B45309;
            border: 2.5px solid #B45309;
        }

        .login-secondary-btn:hover {
            background: #FEF3C7;
        }

        .login-divider {
            position: relative;
            margin: 24px 0 18px;
            text-align: center;
        }

        .login-divider::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1.5px;
            background: #ddd;
        }

        .login-divider span {
            position: relative;
            background: #FFFBF5;
            padding: 0 14px;
            color: #999;
            font-size: 10px;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        .login-qq-card {
            display: block;
            border-radius: 0;
            border: 2px solid #B45309;
            background: #FFF8EE;
            padding: 16px;
            text-align: center;
            transition: all 0.15s ease;
        }

        .login-qq-card:hover {
            box-shadow: 4px 4px 0 rgba(180,83,9,0.1);
            transform: translate(-1px, -1px);
        }

        .login-qq-card img {
            width: min(100%, 260px);
            height: auto;
        }

        .login-qq-text,
        .login-tip-text {
            margin: 12px 0 0;
            text-align: center;
            color: #555;
            font-size: 13px;
            line-height: 1.7;
        }

        .login-tip-text {
            margin-top: 14px;
        }

        .login-modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 38px;
            height: 38px;
            border-radius: 0;
            border: 2px solid #B45309;
            background: #FFFBF5;
            color: #B45309;
            cursor: pointer;
            z-index: 2;
            transition: all 0.15s ease;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .login-modal-close:hover {
            background: #B45309;
            color: #fff;
        }

        @keyframes loginModalRise {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            .login-modal-shell {
                padding: 8px;
            }

            .login-modal-panel {
                width: 100%;
                max-height: calc(100vh - 16px);
                border-radius: 0;
                box-shadow: none !important;
                border-width: 2px !important;
            }

            .login-modal-grid {
                grid-template-columns: 1fr;
                min-height: auto;
            }

            .login-modal-side {
                display: none;
            }

            .login-modal-main {
                padding: 20px 16px;
            }

            .login-action-row {
                grid-template-columns: 1fr;
            }

            .login-side-title,
            .login-main-header h3 {
                font-size: 18px;
            }

            .login-input-field {
                font-size: 16px !important;
                padding: 12px 14px !important;
            }

            .login-submit-btn {
                min-height: 44px;
                font-size: 15px !important;
            }
        }

        .login-avatar-person {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            position: relative;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFE4B5, #FFB6C1);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(255, 182, 193, 0.4);
            transition: all 0.3s ease;
        }

        /* 脸部 */
        .login-avatar-person .face {
            position: absolute;
            width: 50px;
            height: 45px;
            background: #FFE4B5;
            border-radius: 50% 50% 40% 40%;
            top: 18px;
            left: 15px;
            z-index: 1;
        }

        /* 眼睛 */
        .login-avatar-person .eyes {
            position: absolute;
            top: 28px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            gap: 6px;
        }

        .login-avatar-person .eyes::before,
        .login-avatar-person .eyes::after {
            content: '';
            width: 5px;
            height: 5px;
            background: #2D3748;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        /* 鼻子 */
        .login-avatar-person .nose {
            position: absolute;
            top: 38px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            width: 2px;
            height: 2px;
            background: #E53E3E;
            border-radius: 50%;
        }

        /* 嘴巴 */
        .login-avatar-person .mouth {
            position: absolute;
            top: 42px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            width: 6px;
            height: 2px;
            border: 1px solid #2D3748;
            border-top: none;
            border-radius: 0 0 3px 3px;
            background: transparent;
        }

        /* 头发 */
        .login-avatar-person .hair {
            position: absolute;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            width: 35px;
            height: 12px;
            background: #8B4513;
            border-radius: 50% 50% 25% 25%;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        /* 头发刘海 */
        .login-avatar-person .hair::before {
            content: '';
            position: absolute;
            top: 3px;
            left: 8px;
            width: 6px;
            height: 6px;
            background: #8B4513;
            border-radius: 50%;
        }

        .login-avatar-person .hair::after {
            content: '';
            position: absolute;
            top: 3px;
            right: 8px;
            width: 6px;
            height: 6px;
            background: #8B4513;
            border-radius: 50%;
        }

        /* 双手遮眼效果 */
        .login-avatar-person.cover-eyes .left-hand,
        .login-avatar-person.cover-eyes .right-hand {
            opacity: 1;
            transform: scale(1);
        }

        .login-avatar-person.cover-eyes .eyes {
            opacity: 0;
        }

        /* 左手 */
        .login-avatar-person .left-hand {
            position: absolute;
            top: 25px;
            left: 12px;
            z-index: 3;
            width: 15px;
            height: 15px;
            background: #FFE4B5;
            border-radius: 50%;
            opacity: 0;
            transform: scale(0.8);
            transition: all 0.3s ease;
            box-shadow: -2px 2px 4px rgba(0,0,0,0.1);
        }

        .login-avatar-person .left-hand::before {
            content: '';
            position: absolute;
            top: 6px;
            left: 3px;
            width: 8px;
            height: 6px;
            background: #FFE4B5;
            border-radius: 4px;
            transform: rotate(-15deg);
        }

        /* 右手 */
        .login-avatar-person .right-hand {
            position: absolute;
            top: 25px;
            right: 12px;
            z-index: 3;
            width: 15px;
            height: 15px;
            background: #FFE4B5;
            border-radius: 50%;
            opacity: 0;
            transform: scale(0.8);
            transition: all 0.3s ease;
            box-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }

        .login-avatar-person .right-hand::before {
            content: '';
            position: absolute;
            top: 6px;
            right: 3px;
            width: 8px;
            height: 6px;
            background: #FFE4B5;
            border-radius: 4px;
            transform: rotate(15deg);
        }

.egg-home-mascot {
        position: fixed;
        right: 26px;
        bottom: 92px;
        width: 92px;
        height: 104px;
        z-index: 9998;
        transform: translateY(140px) rotate(5deg);
        opacity: 0;
        pointer-events: none;
        transition: transform .48s cubic-bezier(.2,.9,.25,1.18), opacity .32s ease;
    }

    .egg-home-mascot.is-visible {
        transform: translateY(0) rotate(0);
        opacity: 1;
        pointer-events: auto;
    }

    .egg-home-mascot__figure {
        position: absolute;
        right: 0;
        bottom: 0;
        width: 92px;
        height: 104px;
        cursor: pointer;
        user-select: none;
        transform-origin: 50% 100%;
        animation: eggHomeMascotIdle 3.2s ease-in-out infinite;
    }

    .egg-home-mascot:hover .egg-home-mascot__figure,
    .egg-home-mascot.is-talking .egg-home-mascot__figure {
        animation: eggHomeMascotWave .72s ease-in-out infinite alternate;
    }

    .egg-home-mascot__head {
        position: relative;
        width: 74px;
        height: 54px;
        margin: 0 auto;
        border: 3px solid #1C1917;
        background: #FCD34D;
        box-shadow: 4px 4px 0 rgba(0,0,0,.18);
    }

    .egg-home-mascot__head::before,
    .egg-home-mascot__head::after {
        content: "";
        position: absolute;
        top: 19px;
        width: 9px;
        height: 9px;
        background: #1C1917;
        border-radius: 50%;
        transition: transform .2s ease, height .2s ease;
    }

    .egg-home-mascot__head::before { left: 18px; }
    .egg-home-mascot__head::after { right: 18px; }

    .egg-home-mascot.is-talking .egg-home-mascot__head::before,
    .egg-home-mascot.is-talking .egg-home-mascot__head::after {
        height: 4px;
        border-radius: 999px;
        transform: translateY(3px);
    }

    .egg-home-mascot__mouth {
        position: absolute;
        left: 25px;
        right: 25px;
        bottom: 12px;
        height: 3px;
        background: #1C1917;
        transition: all .2s ease;
    }

    .egg-home-mascot.is-talking .egg-home-mascot__mouth {
        left: 29px;
        right: 29px;
        height: 9px;
        border-radius: 0 0 999px 999px;
    }

    .egg-home-mascot__body {
        position: relative;
        width: 54px;
        height: 42px;
        margin: 4px auto 0;
        border: 3px solid #1C1917;
        background: #FFFBF5;
        box-shadow: 4px 4px 0 rgba(0,0,0,.12);
    }

    .egg-home-mascot__arm {
        position: absolute;
        width: 26px;
        height: 6px;
        top: 68px;
        background: #1C1917;
        transform-origin: right center;
    }

    .egg-home-mascot__arm--left {
        left: 1px;
        animation: eggHomeMascotArm .78s ease-in-out infinite alternate;
    }

    .egg-home-mascot__arm--right {
        right: 1px;
        transform-origin: left center;
        transform: rotate(12deg);
    }

    .egg-home-mascot__bubble {
        position: absolute;
        right: 84px;
        bottom: 58px;
        width: 220px;
        padding: 12px 14px;
        border: 3px solid #B45309;
        background: #FFFBF5;
        color: #292524;
        box-shadow: 6px 6px 0 rgba(41,37,36,.16);
        font-size: 13px;
        line-height: 1.55;
        transform: translateY(8px) scale(.92);
        opacity: 0;
        pointer-events: none;
        transition: transform .28s ease, opacity .22s ease;
    }

    .egg-home-mascot.is-talking .egg-home-mascot__bubble,
    .egg-home-mascot:hover .egg-home-mascot__bubble {
        transform: translateY(0) scale(1);
        opacity: 1;
    }

    .egg-home-mascot__bubble::after {
        content: "";
        position: absolute;
        right: -11px;
        bottom: 18px;
        width: 16px;
        height: 16px;
        background: #FFFBF5;
        border-right: 3px solid #B45309;
        border-bottom: 3px solid #B45309;
        transform: rotate(-45deg);
    }

    @keyframes eggHomeMascotIdle {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-4px); }
    }

    @keyframes eggHomeMascotWave {
        from { transform: rotate(-2deg) translateY(-3px); }
        to { transform: rotate(3deg) translateY(-6px); }
    }

    @media (max-width: 767px) {
        .egg-home-mascot {
            right: 16px;
            bottom: 78px;
            transform: translateY(140px) rotate(5deg) scale(.88);
        }

        .egg-home-mascot.is-visible {
            transform: translateY(0) rotate(0) scale(.88);
        }
    }

    @keyframes eggHomeMascotArm {
        from { transform: rotate(-18deg); }
        to { transform: rotate(24deg); }
    }

    @media (max-width: 640px) {
        .egg-home-mascot {
            right: 16px;
            bottom: 78px;
            transform: translateY(130px) scale(.86) rotate(5deg);
        }
        .egg-home-mascot.is-visible {
            transform: translateY(0) scale(.86) rotate(0);
        }
        .egg-home-mascot__bubble {
            right: 72px;
            width: 178px;
            font-size: 12px;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        .egg-home-mascot,
        .egg-home-mascot__figure,
        .egg-home-mascot__arm--left {
            animation: none;
            transition: none;
        }
    }
